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1983
- 3rd (scored 52 points) in the European Formula 3 Championship in a Ralt RT3/83-Alfa Romeo. Champion: Pierluigi Martini in a Pavesi-entered Ralt RT3-Alfa Romeo
- Pirro scored in the following events:
March 13 Vallelunga 1st April 17 Zolder 1st May 22 Österreichring 3rd June 26 Monza 6th July 31 Zandvoort 3rd August 7 Knutstorp 3rd September 4 Nogaro 2nd September 11 Jarama 2nd September 25 Imola 4th October 23 Croix-en-Ternois 2nd
